* {
    margin: 0;
    padding: 0;
}

a {
    text-decoration: none;
}

ul li {
    list-style: none;
}

body::after {
    content: '';
    display: block;
    clear: both;
    overflow-y: hidden;
}

/* 导航开始 */
.pannel {
    background-color: #fff;
}

.panel-group {
    width: 200px;
    height: 500px;
    position: fixed;
    top: 50px;
    left: 0;
    /* background-color: aqua; */
}

li:hover {
    cursor: pointer;
}

.panel_top {
    width: 100%;
    height: 50px;
    position: fixed;
    top: 0;
    z-index: 100;
    background-color: #fff;
}

.logo {
    float: left;
    line-height: 50px;
    font-size: 30px;
    font-weight: 600;
    color: #77CFC4;
    margin-left: 30px;
}

.register_box {
    float: right;
    margin-right: 100px;
    line-height: 50px;
    font-size: 14px;
    height: 50px;
    width: 100px;
}
.register_box>img{
    width: 50px;
    height: 50px;
    float: left;
}
.register_box>span{
    float: left;
    margin-left: 10px;
    font-weight: 600;
}
.panel_nav {
    background-color: #fff;
}

.panel_nav ul>li {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
}

.nav_padding {
    height: 50px;
    line-height: 50px;
    background-color: #fff;
    border: none;
    box-sizing: border-box;
    padding: 0 20px;
}


/* 导航结束 */


/*内容区域开始 */

.con_box {
    width: calc(100% - 200px);
    float: left;
    margin-left: 200px;
    margin-top: 50px;
    background-color: #F1F1F2;
    box-sizing: border-box;
    padding-top: 50px;
    padding-right: 30px;
    padding-left: 50px;
}

.con_box_wai {
    width: 100%;
    border-radius: 10px;
    /* background-color: aquamarine; */
}

/*内容区域结束 */

